YouGov Shopper is the app for registered participant of the correspondent project. With this app you can scan your purchases, put in products without bar codes, take receipt photos and send the purchase to YouGov. We reward you for your efforts with premiums. This is how you can use the app as a registered participant: 1. Install the app on your smartphone 2. Authenticate yourself. 3. You are ready to start! You are no participant at YouGov and want to join? You can register here: https://por